package collection;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;

/**
 *SortInteger.sort()
 */
public class SortInteger {
    public static void main(String[] args) {
        Random rand=new Random();
        List<Integer> list=new ArrayList<>();
        for (int i=0;i<10;i++){
            list.add(rand.nextInt(100));
        }
        System.out.println("原始"+list);
        Collections.sort(list);
        System.out.println("升序数据"+list);
        Collections.reverse(list);
        System.out.println("反转后数据"+list);
        System.out.println("反转后第一个数据"+list.get(0));
    }
}
